Science

Snowflakes fall relatively slowly, at about four kilometers per hour.

Silver has the lowest contact resistance among all metals.

Multicellular organisms are the most numerous group among fungi, but there are also single-celled fungi, like yeast.

The Koreans are currently the most advanced in the industrial production of graphene.

Apollo 13 launched on April 11th, 1970, and was forced to cancel the landing on the lunar surface (precisely on the Fra Mauro site), because of the explosion of an oxygen tank.

Some even speculate that this body may not come from a nearby asteroid belt, but from the outer regions of the Solar System.

In 1973 NASA launched the Skylab mission.

The surface of Phobos is covered with streaks and ditches approximately 30 meters deep, 200 meters wide, and up to 20 km long.

Humans are the only animals able to shed emotional tears.

There are two types of auroras: northern - Aurora Borealis, and southern - Aurora Australis.